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Hematology/Oncology

Maissaa Janbain, MD

Works at hospitals in Metairie, LA · New Orleans, LA · Louisiana

Summary

Dr. Maissaa Janbain, MD is a hematologist-oncologist at 150 S Liberty St, New Orleans, LA 70112. Phone: (504) 988-6300. Accepts Medicare assignment. In 2024, Maissaa Janbain had 39 Original Medicare patients and 91 services. NPI 1962668707. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Maissaa Janbain, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Maissaa Janbain accept Medicare assignment?
Yes. Medicare's clinician data says Maissaa Janbain accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Maissaa Janbain see?
In 2024, CMS data shows 39 Original Medicare patients and 91 services for Maissaa Janbain. This counts Original Medicare only and measures volume, not quality.
What is Maissaa Janbain's NPI number?
1962668707. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Maissaa Janbain, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients39
Services billed to Medicare91
Different services or procedures11
Participating Medicare providerYes
Average age of these patients64

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)45 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)14 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol51%
  • Chronic kidney disease44%
  • Diabetes41%
  • Arthritis38%
  • Heart failure38%

Hospitals where Maissaa Janbain works

Medicare's Facility Affiliation Data lists Maissaa Janbain at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Maissaa Janbain is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maissaa Janbain as a member of this group (CMS data updated October 2, 2026).

  • Administrators of the Tulane Educational Fund393 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Louisiana →

Other hematologist-oncologists in New Orleans

Clinicians with the same Medicare primary specialty in New Orleans, LA — not a recommendation.

All hematologist-oncologists in New Orleans →

Other clinicians in Administrators of the Tulane Educational Fund

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1962668707
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians